[TASK] TYPO3 Coding Guidelines - Expected 1 space after comma in function call

This commit tackles 2 coding guideline violations:
* Expected 1 space after comma in function call
* The double slash comments must be on a seperate line.

Furthermore it removes superfluous comments.

Change-Id: I03d07dd2bb4d5c57c90a28008787a4ea6c514570
Resolves: #54680
Reviewed-on: https://review.typo3.org/26604
Reviewed-by: Alex Kellner
Tested-by: Alex Kellner